Space News & Blog Articles

A recent study examines the risk posed to human life by reentering space debris as the number of rocket launches continues to grow.

While we may quibble about how to pronounce its name, there's no denying that Vega is one of the most fascinating and useful stars in the heavens.

Self-doubt is powerful, but it's no match for the stars — as long as you keep heading outside after dark and looking up.

As the Moon waxes from first quarter to full, watch it cross the southernmost zodiac constellations, then pass Saturn and Jupiter. Along the way it occults a Teapot star.

Have you ever looked up at the night sky and tried to figure out what's what? September’s Sky Tour astronomy podcast will heighten your enjoyment of the bright stars and constellations now overhead.

The imminent launch of a BlueWalker satellite, with a giant phased array antenna, portends a brightening night sky. Amateur astronomers can help record these changes with the goal of mitigating them.

New stewardship of Mauna Kea, a dormant volcano that hosts some of the world's largest telescopes, could change the face of astronomy at the summit.

Virtual reality offers another way to share astrophotos with friends and the public.

Round out your week with these stunning views of the universe from the James Webb Space telescope.

Evidence for water ice exists at the poles of Mars and even at mid-latitudes, but new evidence shows equatorial Mars is dry. The find has implications for past habitability and future human missions to Mars.

Scorpius lies down after dark and the Moon walks across it. Jupiter shines high in the southeast by midnight just about as big and bright as it can ever get. Saturn reaches a good observing height an hour or two earlier.

The Great Dimming occurred when Betelgeuse coughed out a huge chunk of material, and the ejection took a toll on the giant star.

The discovery of an asteroid inside Venus's orbit might be the first of a new population within the inner solar system.

Vesta's bright and easy to find in binoculars and maybe even with the naked eye in late summer skies. It's also just as easy to acquire a piece of it without a multi-billion dollar space mission.

The asteroid that wiped out the dinosaurs 66 million years ago might not have arrived alone.

Late these nights, Saturn and Jupiter are about at their very biggest telescopically. Vega passes the zenith, and the Milky Way displays itself in moonless dark.

The Nebraska Star Party offers truly dark skies enjoyed by veteran observers and first-timers alike.

A careful study of observations spanning decades has revealed that a star in Gemini is regularly eclipsed by a disk-shrouded companion.

Rasalhague, a star rotating so fast it has squashed itself, has a fascinating connection to the mythology of healing.

Presenting data as sound can open new opportunities for accessibility, engagement, and discovery, but the technique still faces challenges.

Sky & Telescope honors the life of Donald Machholz, one of the premier comet-hunters of his time.